[2020 Ultrasonic Pest Repeller] This pest control ultrasonic repellent works by emitting a disorienting pulse. The pest repeller ultrasonic repeller is very effective in pest control and keeps pests away from your home or office.[WHOLE HOME PROTECTION] Indoor mosquito repellent covers every inch of your home. Its bat repellent ultrasonic indoor attic action provides ultimate protection for the whole house and your close ones[CHILD & PET SAFE] No harmful substances. With this rodent repellent indoor ultrasonic device your house will stay both repugnant to pests and safe for you. Also efficient as ants repellent indoor[Quiet And Effective] Ultrasonic repellent working with low-frequency ultrasound waves, which means that it is gave you extremely silent pest control and can't disturb you and your pets.[Harmless & Less Power] Less power consumption, inaudible and harmless to human and pets, no need to clean up dead pests, no more need to call pest control technician for help, no battery required and save a lot of money.